• Regional: North America: United States: Business and Economy: Public Utilities  (11)
• Regional: North America: United States: Regions: Midwest: Business and Economy: Public Utilities  (1)

• Columbia Gas of Ohio - Supplier of natural gas to more than 1,000 communities in Ohio. Includes customer center and gas choice program information.
• Duke Energy - Serves more than 1.4 million electric customers and 478,000 gas customers located in a 25,000 square mile service territory of the tri-state area.
• FirstEnergy Solutions - A diversified energy services and facilities maintenance company offering customers electric and natural gas, plus a broad range of innovative energy and facility management solutions.

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